<div *ngIf="hero">
  <h2>{{hero.id}}. {{hero.brand}}</h2>
  <div class = "items">
    <label>品牌:</label>
    {{hero.brand}}
  </div>

  <div class = "items">
    <label>描述:</label>
    <input [(ngModel)]="hero.desc" placeholder="Description" />
  </div>
  <button (click)="goBack()">后退</button>
  <button (click)="save()">保存</button>
</div>
